n = int(input())
ans = []
while n > 1:
    if n % 2 == 0:
        n //= 2
        op = '/'
    elif (3 * n + 1) % 4 == 0:
        n = 3 * n + 1
        op = '+'
    else:
        n = 3 * n - 1
        assert n % 4 == 0
        op = '-'
    ans.append(op)
print(len(ans))
print(''.join(ans))